sejlnet.dk

📜 Historical scan 2026-06-17 16:35:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sejlnet.dk is a .dk domain served by 4 nameservers (ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and 1 more). It was registered on 7 May 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.sejlnet.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 261ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.a2hosting.com	13.248.158.180	a79764cc55c0ac9c0.awsglobalaccelerator.com	AS16509 Amazon.com, Inc.
ns2.a2hosting.com	75.2.118.134	abc65dd9a44b5332f.awsglobalaccelerator.com	AS16509 Amazon.com, Inc.
ns3.a2hosting.com	76.223.26.245	a79764cc55c0ac9c0.awsglobalaccelerator.com	AS16509 Amazon.com, Inc.
ns4.a2hosting.com	99.83.147.209	abc65dd9a44b5332f.awsglobalaccelerator.com	AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 193ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
68.66.248.49	—	nl1-ts1.a2hosting.com	AS209341	—	—	—	—

📧 MX Records#

1 records 188ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	mail.sejlnet.dk	68.66.248.49	nl1-ts1.a2hosting.com	AS209341 WHG Hosting Services Ltd

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 363ms

TXT Record
google-site-verification=nG4a79kJIVWEAmXEDKYeyXm7SNjUIumkCP5KfFJ5s5U
v=spf1 +a +mx +ip4:68.66.248.49 include:spf.a2hosting.com ~all

✉️ SPF#

Policy	Record (sejlnet.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:68.66.248.49 include:spf.a2hosting.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 15:47:59

www	104.21.53.204 172.67.218.177 2606:4700:3030::ac43:dab1 2606:4700:3033::6815:35cc (AS13335) (address records, no CNAME)
www vs bare domain	Same network sejlnet.dk: 104.21.53.204 172.67.218.177 2606:4700:3030::ac43:dab1 2606:4700:3033::6815:35cc (AS13335) www.sejlnet.dk: 104.21.53.204 172.67.218.177 2606:4700:3030::ac43:dab1 2606:4700:3033::6815:35cc (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

231ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

221ms

Field	Value
Serial	2026042901
Primary NS (MNAME)	ns1.a2hosting.com
Responsible (RNAME)	root@nl1-ts1.a2hosting.com
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-07 16:10:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-05-07
Expires	2027-05-31 (222d)

📋 WHOIS#

⏱️ Lookup Timing#

261ms

193ms

188ms

AAAA

189ms

TXT

363ms

CAA

150ms

HTTPS

186ms

TLSA

445ms

SOA

221ms

MTA-STS

188ms

DNSSEC

231ms

SRV

0ms

Total

1405ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:47:59	1603ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-02 12:03:22	631ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-24 22:11:17	2443ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-30 17:08:01	685ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 02:44:45	2623ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-03 10:35:58	2543ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-21 09:32:19	637ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 16:35:54 shown	1405ms	4 NS 1 A 1 MX	🔓 Insecure